midx: clear midx on repack
[git] / midx.h
1 #ifndef __MIDX_H__
2 #define __MIDX_H__
3
4 #include "repository.h"
5
6 struct multi_pack_index {
7         struct multi_pack_index *next;
8
9         int fd;
10
11         const unsigned char *data;
12         size_t data_len;
13
14         uint32_t signature;
15         unsigned char version;
16         unsigned char hash_len;
17         unsigned char num_chunks;
18         uint32_t num_packs;
19         uint32_t num_objects;
20
21         const unsigned char *chunk_pack_names;
22         const uint32_t *chunk_oid_fanout;
23         const unsigned char *chunk_oid_lookup;
24         const unsigned char *chunk_object_offsets;
25         const unsigned char *chunk_large_offsets;
26
27         const char **pack_names;
28         struct packed_git **packs;
29         char object_dir[FLEX_ARRAY];
30 };
31
32 struct multi_pack_index *load_multi_pack_index(const char *object_dir);
33 int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
34 struct object_id *nth_midxed_object_oid(struct object_id *oid,
35                                         struct multi_pack_index *m,
36                                         uint32_t n);
37 int fill_midx_entry(const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
38 int midx_contains_pack(struct multi_pack_index *m, const char *idx_name);
39 int prepare_multi_pack_index_one(struct repository *r, const char *object_dir);
40
41 int write_midx_file(const char *object_dir);
42 void clear_midx_file(const char *object_dir);
43
44 #endif